# PAcalculate vs LightElf

The clearest difference is review sentiment: PAcalculate at 100% against LightElf's 15%. PAcalculate also leads on rating (5.0 vs 3.0). LightElf's advantage is update cadence (every 3 weeks vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PAcalculate holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 7 and 20 respectively. Written reviews point the same way: 100% of PAcalculate's written reviews are positive against 15% of LightElf's.

PAcalculate ships an update every 4 months, LightElf every 3 weeks. The most recent releases landed on June 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PAcalculate | LightElf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/pacalculate/id793460437/reviews)** | [3.0 (20 ratings)](https://appshunter.io/ios/app/lightelf/id6475085602/reviews) |
| Number of ratings | 7 | **20** |
| Positive reviews | **100.0% of reviews** | 15.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 60 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jose Brusi](https://appshunter.io/developer/793460440) | [广文 李](https://appshunter.io/developer/1723107479) |

## What reviewers say

### PAcalculate

[App page](https://appshunter.io/ios/app/pacalculate/id793460437)

This app provides 28 calculators and reference information for professional audio sound reinforcement and lighting. It covers acoustics, audio electronics, cabling, and lighting calculations, making it a valuable tool for audio and lighting professionals.

**Highlights:** 28 calculators for pro-audio and lighting, Acoustics calculations (SPL, air absorption), Audio electronics calculations (dBu/dBV, Q/B/W), Cabling calculations (speaker cable loss), Lighting calculations (DMX, RGB/CMY), Reference info (pinouts, graphs)

**Features:** macOS Compatibility

**In-app purchases:** none


### LightElf

[App page](https://appshunter.io/ios/app/lightelf/id6475085602)

Control Bluetooth-connected laser light devices to customize display parameters. Features include hand-drawn graffiti functionality for personalized light shows.

**Highlights:** Bluetooth laser light control, Display parameter customization, Hand-drawn graffiti feature, Personalized light shows

**In-app purchases:** none


## Frequently asked questions

### Is PAcalculate free?

PAcalculate is free to download, with no in-app purchases.

### Is LightElf free?

LightElf is free to download, with no in-app purchases.

### Which has better reviews, PAcalculate or LightElf?

PAcalculate is rated higher. PAcalculate averages 5.0 out of 5 from 7 ratings, while LightElf averages 3.0 from 20 ratings.

### Do PAcalculate or LightElf have ads?

Neither PAcalculate nor LightElf shows ads.

### Which is updated more often, PAcalculate or LightElf?

PAcalculate ships an update every 4 months, and LightElf every 3 weeks. Most recently, PAcalculate was updated on June 8, 2026 and LightElf on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*